Five-digit numbers

How many different five-digit numbers can be created from the numbers 2,3,5 if the number 2 appears in the number twice and the number 5 also twice?

Correct answer:

n =  30

Step-by-step explanation:

$n={\displaystyle \frac{5\cdot 4\cdot 3\cdot 2\cdot 1}{2\cdot 1\cdot 2\cdot 1}}=30$

Try another example

Related math problems and questions:

• Numbers
  How many different 3 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2?
• Digits
  How many five-digit numbers can be written from numbers 0.3,4, 5, 7 that is divided by 10, and if digits can be repeated?
• Divisible by five
  How many different three-digit numbers divisible by five can we create from the digits 2, 4, 5? The digits can be repeated in the created number.
• Three-digit numbers
  How many three-digit numbers are from the numbers 0 2 4 6 8 (with/without repetition)?
• Two groups
  The group of 10 girls should be divided into two groups with at least 4 girls in each group. How many ways can this be done?
• Bouquets
  In the flower shop they sell roses, tulips and daffodils. How many different bouquets of 5 flowers can we made?
• Four-digit numbers
  How many four-digit numbers can we make from the numbers 2, 6, 3, 5, 1 and 9 if the numbers in the number cannot be repeated?
• Three digits number
  From the numbers 1, 2, 3, 4, 5 create three-digit numbers that digits not repeat and number is divisible by 2. How many numbers are there?
• Divide
  How many different ways can three people divide 7 pears and 5 apples?
• Permutations
  How many 4-digit numbers can be composed of numbers 1,2,3,4,5,6,7 if: and, the digits must not be repeated in the number b, the number should be divisible by 5 and the numbers must not be repeated c, digits can be repeated
• Word MATEMATIKA
  How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful?
• Combinations
  How many different combinations of two-digit number divisible by 4 arises from the digits 3, 5 and 7?
• Beads
  How many ways can we thread 4 red, 5 blue, and 6 yellow beads onto a thread?
• Seedbeds
  The father wants to plant 2 seedbeds of carrot and 2 seedbeds of onion. Use a tree chart to find how many different options for placing the seedbeds he has.
• Three workplaces
  How many ways can we divide nine workers into three workplaces if they need four workers in the first workplace, 3 in the second workplace, and 2 in the third?
• Chocolates
  In the market we have 3 kinds of chocolates. How many ways can we buy 14 chocolates?
• Permutations with repetitions
  How many times the input of 1.2.2.3.3.3.4 can be permutated into 4 digits, 3 digits and 2 digits without repetition? Ex: 4 digits = 1223, 2213, 3122, 2313, 4321. . etc 3 digits = 122.212.213.432. . etc 2 digits = 12, 21, 31, 23 I have tried permutation fo